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vmm: don't free unallocated memory
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Authored by corvink on May 5 2023, 6:44 AM.
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Details

Summary

If vmx or svm is disabled in BIOS or the device isn't supported by vmm,
modinit won't allocate these state save areas. As kmem_free panics when
passing a NULL pointer to it, loading the vmm kernel module causes a
panic too.

PR: 271251

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Repository
rG FreeBSD src repository
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